🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.48 AU - 0.7 AU

Year: 191 Days

Day: 46.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 35 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.64 AU - 0.74 AU

Year: 242 Days

Day: 26.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 43 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.6 AU - 0.9 AU

Year: 274 Days

Day: 34 Hours

Environment

Temp: -3 °C

Axial Tilt: 46.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 24,165,925 km

• M1: 93,947 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.85 AU - 0.97 AU

Year: 366 Days

Day: 20.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,165,925 km

• M1: 45,328 km (0.085 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.31 AU - 2.79 AU

Year: 1717 Days

Day: 15.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.65 AU - 3.07 AU

Year: 2040 Days

Day: 34 Hours

Environment

Temp: -125 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.4

Radius: 10.9

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.21 AU - 4.91 AU

Year: 3450 Days

Day: 12.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 24,165,925 km

• M1: 179,667 km (0.05 R)
• M2: 286,181 km (0.072 R)
• M3: 388,206 km (0.119 R)
• M4: 571,165 km (0.111 R)
• M5: 941,569 km (0.058 R)
• M6: 1,134,550 km (0.094 R)
• M7: 1,288,038 km (0.033 R)
• M8: 1,559,558 km (0.094 R)
• M9: 1,673,551 km (0.054 R)
• M10: 1,760,767 km (0.104 R)
• M11: 1,864,737 km (0.102 R)
• M12: 1,970,653 km (0.039 R)
• M13: 2,236,787 km (0.072 R)
• M14: 2,497,836 km (0.068 R)
• M15: 2,666,133 km (0.104 R)
• M16: 3,031,900 km (0.113 R)
• M17: 3,121,360 km (0.11 R)
• M18: 3,193,615 km (0.079 R)
• M19: 3,339,772 km (0.084 R)
• M20: 3,469,474 km (0.111 R)
• M21: 4,044,678 km (0.084 R)
• M22: 4,283,286 km (0.03 R)
• M23: 4,404,161 km (0.113 R)
• M24: 4,526,383 km (0.087 R)
• M25: 5,154,095 km (0.117 R)
• M26: 5,326,133 km (0.093 R)
• M27: 5,631,761 km (0.104 R)
• M28: 5,920,934 km (0.03 R)
• M29: 6,010,842 km (0.11 R)
• M30: 6,375,113 km (0.067 R)
• M31: 6,467,266 km (0.064 R)
• M32: 6,606,392 km (0.074 R)
• M33: 6,746,565 km (0.107 R)
• M34: 7,029,903 km (0.098 R)
• M35: 7,268,961 km (0.098 R)
• M36: 7,681,701 km (0.056 R)
• M37: 8,226,985 km (0.111 R)
• M38: 8,733,673 km (0.104 R)
• M39: 9,016,712 km (0.036 R)
• M40: 9,250,534 km (0.119 R)
• M41: 9,857,303 km (0.052 R)
• M42: 10,449,561 km (0.111 R)
• M43: 11,025,812 km (0.042 R)
• M44: 12,209,131 km (0.099 R)
• M45: 12,410,340 km (0.097 R)
• M46: 12,903,415 km (0.084 R)
• M47: 13,049,572 km (0.111 R)
• M48: 13,196,477 km (0.048 R)
• M49: 13,610,414 km (0.09 R)
• M50: 14,118,897 km (0.096 R)
• M51: 14,451,154 km (0.105 R)
• M52: 15,619,065 km (0.065 R)
• M53: 16,214,315 km (0.109 R)
• M54: 16,372,141 km (0.087 R)
• M55: 16,498,850 km (0.049 R)
• M56: 17,040,993 km (0.106 R)
• M57: 17,169,348 km (0.1 R)
• M58: 17,394,792 km (0.057 R)
• M59: 18,602,794 km (0.101 R)
• M60: 19,000,426 km (0.102 R)
• M61: 19,200,288 km (0.11 R)
• M62: 19,568,598 km (0.111 R)
• M63: 19,871,534 km (0.035 R)
• M64: 20,277,991 km (0.093 R)
• M65: 20,482,342 km (0.039 R)
• M66: 20,550,559 km (0.078 R)
• M67: 20,618,925 km (0.031 R)
• M68: 20,721,399 km (0.115 R)
• M69: 21,168,099 km (0.085 R)
• M70: 21,340,735 km (0.097 R)
• M71: 21,444,556 km (0.103 R)
• M72: 21,583,233 km (0.09 R)
• M73: 22,773,882 km (0.095 R)
• M74: 23,163,734 km (0.114 R)
• M75: 23,591,435 km (0.091 R)
• M76: 23,842,310 km (0.057 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 15,044 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit